> ## Documentation Index
> Fetch the complete documentation index at: https://docs.pollo.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# Nano Banana Pro API Documentation

> Nano Banana Pro API offers native 2K resolution with 4K upscaling. Experience enhanced prompt understanding, precise typography integration, advanced lighting, and composition control. Integrate the Nano Banana Pro API now.

Check out Nano Banana Pro API pricing [here](https://api.pollo.ai/pricing?modelName=nano-banana-2-google\&modelType=image), cheaper than Fal AI.


## OpenAPI

````yaml POST /generation/google/nano-banana-pro/image
openapi: 3.0.3
info:
  title: Pollo | AI Video Collection
  description: ✨RESTful API Document
  version: 1.0.0
servers:
  - url: https://pollo.ai/api/platform
security: []
externalDocs:
  url: https://pollo.ai/api/platform/api/openapi.json
paths:
  /generation/google/nano-banana-pro/image:
    post:
      tags:
        - generation
        - image generation
      summary: create image by text or image
      operationId: generation-nano-banana-pro/image
      parameters: []
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              properties:
                input:
                  anyOf:
                    - anyOf:
                        - type: object
                          properties:
                            prompt:
                              type: string
                              maxLength: 10000
                              description: The prompt of the generation
                            aspectRatio:
                              type: string
                              enum:
                                - '1:1'
                                - '9:16'
                                - '16:9'
                                - '4:3'
                                - '3:4'
                                - '3:2'
                                - '2:3'
                                - '5:4'
                                - '4:5'
                                - '21:9'
                            resolution:
                              type: string
                              enum:
                                - 1K
                                - 2K
                                - 4K
                              default: 1K
                              description: The resolution of the generation
                            imageUrl:
                              type: string
                            images:
                              type: array
                              items:
                                type: string
                              description: >-
                                Only image URLs are accepted (HTTPS preferred);
                                base64 is not allowed.
                                            Supported formats include JPG, PNG, and JPEG.
                                            Image aspect ratio must be less than 1:4 or 4:1.
                          required:
                            - aspectRatio
                            - imageUrl
                          additionalProperties: false
                          title: Image To Image
                        - type: object
                          properties:
                            prompt:
                              type: string
                              maxLength: 10000
                              description: The prompt of the generation
                            aspectRatio:
                              type: string
                              enum:
                                - '1:1'
                                - '9:16'
                                - '16:9'
                                - '4:3'
                                - '3:4'
                                - '3:2'
                                - '2:3'
                                - '5:4'
                                - '4:5'
                                - '21:9'
                            resolution:
                              type: string
                              enum:
                                - 1K
                                - 2K
                                - 4K
                              default: 1K
                              description: The resolution of the generation
                            imageUrl:
                              type: string
                            images:
                              type: array
                              items:
                                type: string
                              minItems: 1
                              description: >-
                                Only image URLs are accepted (HTTPS preferred);
                                base64 is not allowed.
                                            Supported formats include JPG, PNG, and JPEG.
                                            Image aspect ratio must be less than 1:4 or 4:1.
                          required:
                            - aspectRatio
                            - images
                          additionalProperties: false
                          title: Multi-Image to Image
                    - type: object
                      properties:
                        prompt:
                          type: string
                          maxLength: 10000
                          description: The prompt of the generation
                        aspectRatio:
                          type: string
                          enum:
                            - '1:1'
                            - '9:16'
                            - '16:9'
                            - '4:3'
                            - '3:4'
                            - '3:2'
                            - '2:3'
                            - '5:4'
                            - '4:5'
                            - '21:9'
                        resolution:
                          type: string
                          enum:
                            - 1K
                            - 2K
                            - 4K
                          default: 1K
                          description: The resolution of the generation
                      required:
                        - prompt
                        - aspectRatio
                      additionalProperties: false
                      title: Text To Image
                webhookUrl:
                  type: string
                clientSource:
                  type: string
                  minLength: 1
                  maxLength: 100
              required:
                - input
              additionalProperties: false
      responses:
        '200':
          description: Successful response
          content:
            application/json:
              schema:
                type: object
                properties:
                  taskId:
                    type: string
                  status:
                    type: string
                    enum:
                      - waiting
                      - succeed
                      - failed
                      - processing
                required:
                  - taskId
                  - status
                additionalProperties: false
        default:
          $ref: '#/components/responses/error'
      security:
        - ApiKeyAuth: []
components:
  responses:
    error:
      description: Error response
      content:
        application/json:
          schema:
            type: object
            properties:
              message:
                type: string
              code:
                type: string
              issues:
                type: array
                items:
                  type: object
                  properties:
                    message:
                      type: string
                  required:
                    - message
                  additionalProperties: false
            required:
              - message
              - code
            additionalProperties: false
  securitySchemes:
    ApiKeyAuth:
      type: apiKey
      in: header
      name: x-api-key
      description: API key to authorize requests

````